(19)

(11)

EP 2 891 171 A1

(12)

(43) Date of publication: 08.07.2015 Bulletin 2015/28 (21) Application number: 13832747.3 (22) Date of filing: 29.08.2013

(51) International Patent Classification (IPC):  H01J 35/14(2006.01) (86) International application number: PCT/US2013/057232 (87) International publication number: WO 2014/036225 (06.03.2014 Gazette 2014/10)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 29.08.2012 US 201261694313 P (71) Applicant: Source Production & Equipment Co., Inc. St. Rose LA 70087 (US)	(72) Inventor: MUNRO, John, J., III North Andover, MA 01845 (US) (74) Representative: Westphal, Mussgnug & Partner Patentanwälte mbB  Herzog-Wilhelm-Strasse 26 80331 München 80331 München (DE)